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LibWeb: Disallow Editing API calls on non-HTML documents

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This is not directly mentioned in the Editing API spec, but all major
browsers do this and there is a WPT for this behavior.
This commit is contained in:
Tim Ledbetter 2025-01-21 10:13:14 +00:00 • committed by Jelle Raaijmakers
commit a0b0e91d4f
Notes: github-actions[bot] 2025-01-21 18:09:45 +00:00
8 changed files with 89 additions and 31 deletions
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12
Libraries/LibWeb/Editing/Commands.cpp
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@ -52,7 +52,7 @@ bool command_back_color_action(DOM::Document& document, String const& value)
bool command_bold_action(DOM::Document& document, String const&)
{
// If queryCommandState("bold") returns true, set the selection's value to "normal".
if (document.query_command_state(CommandNames::bold)) {
if (MUST(document.query_command_state(CommandNames::bold))) {
set_the_selections_value(document, CommandNames::bold, "normal"_string);
}
@ -1864,7 +1864,7 @@ bool command_insert_unordered_list_state(DOM::Document const& document)
bool command_italic_action(DOM::Document& document, String const&)
{
// If queryCommandState("italic") returns true, set the selection's value to "normal".
if (document.query_command_state(CommandNames::italic)) {
if (MUST(document.query_command_state(CommandNames::italic))) {
set_the_selections_value(document, CommandNames::italic, "normal"_string);
}
@ -2256,7 +2256,7 @@ bool command_select_all_action(DOM::Document& document, String const&)
bool command_strikethrough_action(DOM::Document& document, String const&)
{
// If queryCommandState("strikethrough") returns true, set the selection's value to null.
if (document.query_command_state(CommandNames::strikethrough)) {
if (MUST(document.query_command_state(CommandNames::strikethrough))) {
set_the_selections_value(document, CommandNames::strikethrough, {});
}
@ -2291,7 +2291,7 @@ bool command_style_with_css_state(DOM::Document const& document)
bool command_subscript_action(DOM::Document& document, String const&)
{
// 1. Call queryCommandState("subscript"), and let state be the result.
auto state = document.query_command_state(CommandNames::subscript);
auto state = MUST(document.query_command_state(CommandNames::subscript));
// 2. Set the selection's value to null.
set_the_selections_value(document, CommandNames::subscript, {});
@ -2344,7 +2344,7 @@ bool command_subscript_indeterminate(DOM::Document const& document)
bool command_superscript_action(DOM::Document& document, String const&)
{
// 1. Call queryCommandState("superscript"), and let state be the result.
auto state = document.query_command_state(CommandNames::superscript);
auto state = MUST(document.query_command_state(CommandNames::superscript));
// 2. Set the selection's value to null.
set_the_selections_value(document, CommandNames::superscript, {});
@ -2397,7 +2397,7 @@ bool command_superscript_indeterminate(DOM::Document const& document)
bool command_underline_action(DOM::Document& document, String const&)
{
// If queryCommandState("underline") returns true, set the selection's value to null.
if (document.query_command_state(CommandNames::underline)) {
if (MUST(document.query_command_state(CommandNames::underline))) {
set_the_selections_value(document, CommandNames::underline, {});
}